This KB was released by Microsoft on December 8th, and is applicable for Windows 10, version 2004, all editionsWindows Server version 2004Windows 10, version 20H2, all editionsWindows Server, version 20H2.
Now after installing this KB ,after a restart the system goes for a Chkdsk but it fails to repair m then there is BSOD with a QR code. Finally it tries to Automatic Repair and that fails too. Microsoft is aware of it and trying to fix.
mceworld 